Evaluation of growth of avian mycoplasmas on bile salt agar and in bile broth |
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| Authors: | M Shah-Majid S Rosendal |
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| Institution: | Department of Veterinary Microbiology and Immunology, Ontario Veterinary College, University of Guelph, Canada. |
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| Abstract: | All nine Mycoplasma iowae strains and one strain of M gallinarum grew on 0.05 per cent 'bile' agar medium. The colony size of M iowae on this agar medium was similar to the size obtained on bile-free mycoplasma agar. One strain each of M maculosum, M arginini and M bovis also grew on 0.05 per cent bile agar. However, one strain each of M gallisepticum and M meleagridis were inhibited at this concentration. Six of the nine strains of M iowae were also resistant to 1 per cent 'bile' in broth medium but all were resistant to 0.5 per cent. The resistance of M iowae to 0.5 per cent 'bile' in broth may be a useful characteristic for differentiating it from some of the other avian mycoplasmas. |
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